Longitudinal LigamentsOssification of Posterior Longitudinal LigamentLigamentsLigamentum FlavumOssification, HeterotopicSpineHyperostosis, Diffuse Idiopathic SkeletalLigaments, ArticularSpinal CordAlkaline PhosphatasePeriodontal LigamentMusclesSpinal Cord InjuriesPosterior Cruciate LigamentMuscle ProteinsMuscle, SkeletalMuscle, SmoothPatellar LigamentMuscle Fibers, SkeletalMuscle, Smooth, VascularAnterior Cruciate Ligament ReconstructionMuscle DevelopmentMuscle ContractionBroad LigamentRound LigamentInjections, SpinalSpinal Cord DiseasesSpinal NervesJoint InstabilityLateral Ligament, AnkleTendonsMuscle FatigueBiomechanical PhenomenaMuscle DenervationSpinal Nerve RootsMuscle Fibers, Fast-TwitchAnesthesia, SpinalRuptureKnee JointSpinal DiseasesSpinal Cord CompressionSpiral Ligament of CochleaMuscle Fibers, Slow-TwitchSpinal CanalSpinal Cord NeoplasmsMyocytes, Smooth MuscleMitochondria, MuscleSpinal StenosisSpinal NeoplasmsOculomotor MusclesNeck MusclesSpinal FusionQuadriceps MuscleElectromyographyMuscle, StriatedMuscle SpindlesMuscle WeaknessMotor NeuronsRespiratory MusclesMuscle RelaxationCadaverPapillary MusclesCervical Vertebrae